//
//  LLCountDownButton.h
//  BestLearning
//
//  Created by apple on 2017/2/28.
//  Copyright © 2017年 apple. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface LLCountDownButton : UIButton
/** 验证码倒计时的时长 */
@property (nonatomic, assign) NSInteger duration;
@end
